The Alien Planet Is Coming, I Get Ancient Technology at the Beginning

That day, a huge alien spacecraft suddenly landed in the Pacific Ocean, and the earth became an experimental site for alien civilization. Hundreds of millions of humans were transformed into bloodthirsty monsters. Winged behemoths exuding corruption and death towered over Singapore; eyeless worms with a thousand-foot body swallowed up Sydney; just like the flaming giant from hell melted Paris into a sea of ​​fire. Thousands of years of human prosperity and civilization were burned to the ground. Lei Ming, who was accidentally reborn and obtained ancient alien technology, arrived on the eve of the disaster. Stock up on supplies, build safe houses, and craft equipment to gain the upper hand! Humanity must win this battle!